(0 16 8 6 4)(1 5 3)(2 17 14 12 10)(7 11 9)(13 19 15)(18 21 20)
ALLOWS (11/8)-SEQUENCE
1: (0 4 16)
(0 8 6 4 16)(1 5 3)(2 17 14 12 10)(7 11 9)(13 19 15)(18 21 20)
2: (2 17 14)
(0 8 6 4 16)(1 5 3)(2 12 10)(7 11 9)(13 19 15)(14)(17)(18 21 20)
3: (1 5 3)
(0 8 6 4 16)(1)(2 12 10)(3)(5)(7 11 9)(13 19 15)(14)(17)(18 21 20)
4: (13 19 15)
(0 8 6 4 16)(1)(2 12 10)(3)(5)(7 11 9)(13)(14)(15)(17)(18 21 20)(19)